THERMAL-EXPANSION COEFFICIENTS OF NDBA2CU3O7-DELTA

被引：5
|
作者：
MARTI, W
ALTORFER, F
FISCHER, P
SCHEEL, HJ
机构：
[1] PAUL SCHERRER INST,CH-5232 VILLIGEN,SWITZERLAND
[2] FED INST TECHNOL,INST MICRO & OPTOELECTR,CRYSTAL GROWTH GRP,CH-1007 LAUSANNE,SWITZERLAND
来源：
PHYSICA C | 1993年 / 206卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(93)90716-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
For epitaxy of high-T(c) superconductor (HTSC) the knowledge of thermal expansion coefficients is very important to master cracking and strain problems. In this paper, the thermal expansion coefficients of NdBa2Cu3O7-delta (0.15 less-than-or-equal-to delta less-than-or-equal-to 0.60) were measured by means of neutron diffraction in the temperature range from room temperature up to 800-degrees-C. Between 400-degrees-C and 550-degrees-C a phase transition from Pmmm to P4/mmm was observed.
引用
收藏
页码：158 / 162
页数：5
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